EP2600933A4 - Retinal prosthesis techniques - Google Patents

Retinal prosthesis techniques

Info

Publication number
EP2600933A4
EP2600933A4 EP11814197.7A EP11814197A EP2600933A4 EP 2600933 A4 EP2600933 A4 EP 2600933A4 EP 11814197 A EP11814197 A EP 11814197A EP 2600933 A4 EP2600933 A4 EP 2600933A4
Authority
EP
European Patent Office
Prior art keywords
energy
eye
response
photosensors
mount
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11814197.7A
Other languages
German (de)
French (fr)
Other versions
EP2600933B1 (en
EP2600933A1 (en
Inventor
Ra Anan Gefen
Tuvia Liran
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nano Retina Inc
Original Assignee
Nano Retina Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nano Retina Inc filed Critical Nano Retina Inc
Publication of EP2600933A1 publication Critical patent/EP2600933A1/en
Publication of EP2600933A4 publication Critical patent/EP2600933A4/en
Application granted granted Critical
Publication of EP2600933B1 publication Critical patent/EP2600933B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/372—Arrangements in connection with the implantation of stimulators
    • A61N1/378—Electrical supply
    • A61N1/3787—Electrical supply from an external energy source
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/0526—Head electrodes
    • A61N1/0543—Retinal electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/36046—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation of the eye

Abstract

Apparatus is provided including an external device including, a mount, which is placed in front of an eye of a subject. A power source is coupled to the mount and emits energy toward the eye. An intraocular device is implanted entirely in the subject's eye, and includes a control unit, a plurality of stimulating electrodes, and an energy receiver, which receives the energy from the power source and generates a voltage drop in response. A plurality of photosensors detect photons and generate a signal in response. Driving circuitry is coupled to the energy receiver and to the photosensors, and drives the electrodes to apply electrical charges to a retina in response to the signals from the photosensors. The external device modulates the emitted energy, and the control unit demodulates the modulated energy to regulate an operation parameter of the intraocular device. Other embodiments are also described.
EP11814197.7A 2010-08-06 2011-07-27 Retinal prosthesis Active EP2600933B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/852,218 US8428740B2 (en) 2010-08-06 2010-08-06 Retinal prosthesis techniques
PCT/IL2011/000609 WO2012017426A1 (en) 2010-08-06 2011-07-27 Retinal prosthesis techniques

Publications (3)

Publication Number Publication Date
EP2600933A1 EP2600933A1 (en) 2013-06-12
EP2600933A4 true EP2600933A4 (en) 2013-12-18
EP2600933B1 EP2600933B1 (en) 2017-03-29

Family

ID=45556710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11814197.7A Active EP2600933B1 (en) 2010-08-06 2011-07-27 Retinal prosthesis

Country Status (3)

Country Link
US (1) US8428740B2 (en)
EP (1) EP2600933B1 (en)
WO (1) WO2012017426A1 (en)

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US8442641B2 (en) 2010-08-06 2013-05-14 Nano-Retina, Inc. Retinal prosthesis techniques
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US9700736B2 (en) 2011-07-25 2017-07-11 Neuronexus Technologies, Inc. Neuromodulation transfection system with active fluid delivery
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TW201544085A (en) * 2014-05-16 2015-12-01 Univ Nat Chiao Tung An artificial retinal prosthesis system and an artificial retinal chip
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US10272244B2 (en) 2016-11-03 2019-04-30 Nano Retina Ltd. Retinal implant fixation
US10226625B2 (en) 2016-11-03 2019-03-12 Nano Retina Ltd. Surgical techniques for implantation of a retinal implant
US10532210B2 (en) * 2017-05-09 2020-01-14 Po-Kang Lin Device for stimulating optic nerve fibers
CN108172553A (en) * 2018-01-17 2018-06-15 杭州暖芯迦电子科技有限公司 A kind of encapsulating structure and its packaging method of retina Using prosthesis chip
US10583283B2 (en) 2018-01-31 2020-03-10 Nano-Retina, Inc. Retinal implant with image registration
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US20230355973A1 (en) * 2020-09-24 2023-11-09 University Of Southern California System and method for restoring color perception to the blind

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